Arsenic(II) sulfide
- CAS NO.：12044-79-0
- Empirical Formula: AsS
- Molecular Weight: 106.99
- MDL number: MFCD00049841
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 13:37:16
What is Arsenic(II) sulfide?
The Uses of Arsenic(II) sulfide
Arsenic(II) sulfide is used as an primary and secondary intermediate.
General Description
An odorless red-brown solid. Insoluble in water and denser than water. Hence sinks in water. Highly toxic by ingestion and inhalation.
Air & Water Reactions
Burns with a blue flame when heated in air [Mellor 9:270 1946-47]. Insoluble in water.
Reactivity Profile
Arsenic(II) sulfide, tech. 90% reacts with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. These reactions may be violent. Soluble in acids and alkalis, but not soluble in water. Generates toxic gaseous hydrogen sulfide on contact with acids.
Health Hazard
(Acute and sub-acute poisoning are not common.) Repeated inhalation causes irritation of nose, laryngitis, mild bronchitis. Ingestion causes weakness, loss of appetite, gastrointestinal disturbances, peripheral neuritis, occasional hepatitis. Contact with eyes causes irritation. Irritates skin, especially where moist; if not treated, may cause ulceration.
Properties of Arsenic(II) sulfide
| Melting point: | ^=307℃ |
| Boiling point: | 565℃ |
| Density | 3.5 |
| form | Powder |
| Water Solubility | Insoluble in water. Soluble in acids and alkalis. |
| Exposure limits | ACGIH: TWA 0.01 mg/m3 NIOSH: IDLH 5 mg/m3; Ceiling 0.002 mg/m3 |
| CAS DataBase Reference | 12044-79-0 |
| EPA Substance Registry System | Arsenic sulfide (AsS) (12044-79-0) |
Safety information for Arsenic(II) sulfide
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H331:Acute toxicity,inhalation H400:Hazardous to the aquatic environment, acute hazard H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P309:IF exposed or if you feel unwell: P310:Immediately call a POISON CENTER or doctor/physician. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for Arsenic(II) sulfide
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